You can still login to the Virgin Media shared Wifi if you cannot install the App on your device.
You will need the following –
<username> your Virgin Media account username e.g. email@example.com
<password> your Virgin Media account password
To Login –
Username – firstname.lastname@example.org
Password – <password>
EAP Method – TTLS
Phase 2 Authentication – MSCHAPV2
Note you must have a Virgin Media account/contract to use this service.